Catalina, AZ has a population of 7,465 and is the 4,950th largest city in the United States. The population density is 529 per sq mi which is 820% higher than the Arizona average and 484% higher than the national average. The median age in Catalina is 49 which is approximately 33% higher than the Arizona average of 37. In Catalina, 63% of the population over 15 years of age are married, 86% speak English and 10% speak Spanish. 38% of Catalina residents were born in Arizona, 52% were born out of state, 1% were born outside of the United States and 9% were foreign born.